main.java
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import java.awt.*; import java.awt.event.*; import javax.swing.*; public class StudentGradesCalculation extends JFrame implements ActionListener { private static final long serialVersionUID = 1L; private JTextField field_Assignment_1, field_Assignment_2, field_Final, field_Midterm, field_Project_1, field_Project_2, field_Q1, field_Q2, field_Q3; private JLabel label_Marks, label_Point; private JButton button; public Algorithm() { field_Assignment_1 = new JTextField(4); field_Assignment_2 = new JTextField(4); field_Final = new JTextField(4); field_Midterm = new JTextField(4); field_Project_1 = new JTextField(4); field_Project_2 = new JTextField(4); field_Q1 = new JTextField(4); field_Q2 = new JTextField(4); field_Q3 = new JTextField(4); label_Marks = new JLabel("", JLabel.RIGHT); label_Point = new JLabel("", JLabel.RIGHT); button = new JButton("Process"); Container pane = getContentPane(); pane.setLayout(new BorderLayout()); JPanel panel, subpanel; panel = new JPanel(new BorderLayout()); subpanel = new JPanel(new GridLayout(9, 1)); subpanel.add(new JLabel("Enter the value of Assignment 1:")); subpanel.add(new JLabel("Enter the value of Assignment 2:")); subpanel.add(new JLabel("Enter the value of Final:")); subpanel.add(new JLabel("Enter the value of Midterm:")); subpanel.add(new JLabel("Enter the value of Project 1:")); subpanel.add(new JLabel("Enter the value of Project 2:")); subpanel.add(new JLabel("Enter the value of Q1:")); subpanel.add(new JLabel("Enter the value of Q2:")); subpanel.add(new JLabel("Enter the value of Q3:")); panel.add(subpanel, BorderLayout.WEST); subpanel = new JPanel(new GridLayout(9, 1)); subpanel.add(field_Assignment_1); subpanel.add(field_Assignment_2); subpanel.add(field_Final); subpanel.add(field_Midterm); subpanel.add(field_Project_1); subpanel.add(field_Project_2); subpanel.add(field_Q1); subpanel.add(field_Q2); subpanel.add(field_Q3); panel.add(subpanel); pane.add(panel, BorderLayout.NORTH); panel = new JPanel(new FlowLayout()); panel.add(button); pane.add(panel); panel = new JPanel(new BorderLayout()); subpanel = new JPanel(new GridLayout(2, 1)); subpanel.add(new JLabel("Value of Marks:")); subpanel.add(new JLabel("Value of Point:")); panel.add(subpanel, BorderLayout.WEST); subpanel = new JPanel(new GridLayout(2, 1)); subpanel.add(label_Marks); subpanel.add(label_Point); panel.add(subpanel); pane.add(panel, BorderLayout.SOUTH); button.addActionListener(this); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); pack(); setLocationRelativeTo(null); } @Override public void actionPerformed(ActionEvent actionEvent) { double Assignment_1, Assignment_2, Final, Marks, Midterm; double Point, Project_1, Project_2, Q1, Q2; double Q3; try { Assignment_1 = Double.parseDouble(field_Assignment_1.getText()); Assignment_2 = Double.parseDouble(field_Assignment_2.getText()); Final = Double.parseDouble(field_Final.getText()); Midterm = Double.parseDouble(field_Midterm.getText()); Project_1 = Double.parseDouble(field_Project_1.getText()); Project_2 = Double.parseDouble(field_Project_2.getText()); Q1 = Double.parseDouble(field_Q1.getText()); Q2 = Double.parseDouble(field_Q2.getText()); Q3 = Double.parseDouble(field_Q3.getText()); } catch (NumberFormatException numberFormatException) { return; } Marks=(Q1+Q2+Q3)*0.09/3+(Project_1+Project_2)*0.3/2+(Assignment_1+Assignment_2)*0.16/2+Midterm*0.15+Final*0.3; Point=0; if(Marks>=90&&Marks<=100) { javax.swing.JOptionPane.showMessageDialog(this, "Grade: A+"); Point=4; } if(Marks>=80&&Marks<90) { javax.swing.JOptionPane.showMessageDialog(this, "Grade: A"); Point=4; } if(Marks>=75&&Marks<80) { javax.swing.JOptionPane.showMessageDialog(this, "Grade: A-"); Point=3.67; } if(Marks>=70&&Marks<75) { javax.swing.JOptionPane.showMessageDialog(this, "Grade: B+"); Point=3.33; } if(Marks>=65&&Marks<70) { javax.swing.JOptionPane.showMessageDialog(this, "Grade: B"); Point=3; } if(Marks>=60&&Marks<65) { javax.swing.JOptionPane.showMessageDialog(this, "Grade: B-"); Point=2.67; } if(Marks>=55&&Marks<60) { javax.swing.JOptionPane.showMessageDialog(this, "Grade: C+"); Point=2.33; } if(Marks>=50&&Marks<55) { javax.swing.JOptionPane.showMessageDialog(this, "Grade: C"); Point=2; } if(Marks>=45&&Marks<50) { javax.swing.JOptionPane.showMessageDialog(this, "Grade: C-"); Point=1.67; } if(Marks>=40&&Marks<45) { javax.swing.JOptionPane.showMessageDialog(this, "Grade: D+"); Point=1.33; } if(Marks>=35&&Marks<40) { javax.swing.JOptionPane.showMessageDialog(this, "Grade: D"); Point=1; } if(Marks>=30&&Marks<35) { javax.swing.JOptionPane.showMessageDialog(this, "Grade: D-"); Point=0.37; } if(Marks<30) javax.swing.JOptionPane.showMessageDialog(this, "Grade: E"); label_Marks.setText(String.valueOf(Marks)); label_Point.setText(String.valueOf(Point)); pack(); } public static void main(String[] args) { new Algorithm().setVisible(true); } } |
